HIGH POWER 1200-Watt 80 Plus Certified High-performance Modular Cable Management ATX PC Gaming/ Server Power Supply - HPC-1200-G14C 1200 watts Industrial Grade 24/7 Power Supply, Over 82% efficiency - Low heat / Low noise / Save energy - 80 Plus Certified and additionally honored with 82% efficiency Bronze status. nVidia SLI Certified. Gold coated terminal connectors. &lt;1w Low Standby Power Consumption - EuP 2010 Lot 6 Compliant, Intel ATX12V V2.3/ SSI EPS12V V2.92 compliant Quad +12V Output Rails - Four independent + 12V output rails ensure safe and stable operation under heavy operation. Active PFC to reduce harmony distortion, Full range AC input with automatic AC input voltage selection, RoHS Compliant Lead-free - made with all hazardous-free components. Full Safety &amp; Regulatory Approval from UL, cUL, TUV, FCC, CE, CB Twin-Fan Design with durable 2 ball bearing high quality fans - 1x 140 mm fan and 1x 80 mm fan ("golf-surface" provides more airflow than standard fan. This new fan design provides the same airflow volume C.F.M. at a 15% lower fan speed than standard fan. Lower speed means lower noise and longer life.)